Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 44,622	$ 56,902	$ 54,968
Cost of sales	39,742	48,338	44,191
Research and development expenses	829	851	857
Selling, general and administrative expenses	1,627	1,675	1,645
Amortization of intangibles	324	336	388
Restructuring and asset related charges - net	528	118	6
Equity in earnings (losses) of nonconsolidated affiliates	(119)	268	975
Sundry income (expense) - net	(280)	727	(35)
Interest income	229	173	55
Interest expense and amortization of debt discount	746	662	731
Income before income taxes	656	6,090	8,145
Provision (credit) for income taxes	(4)	1,450	1,740
Net income (loss)	660	4,640	6,405
Net income attributable to noncontrolling interests	71	58	94
Net income available for The Dow Chemical Company common stockholder	$ 589	$ 4,582	$ 6,311
Earnings per common share - basic	$ 0.82	$ 6.32	$ 8.44
Earnings per common share - diluted	$ 0.82	$ 6.28	$ 8.38
Weighted-average common shares outstanding - basic	705.7	721.0	743.6
Weighted-average common shares outstanding - diluted	709.0	725.6	749.0

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Name:	us-gaap_AmortizationOfIntangibleAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.